v2.4.0.6
Document and Entity Information
6 Months Ended
Jul. 01, 2012
Jul. 29, 2012
Entity Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jul. 01, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q2  
Trading Symbol CY  
Entity Registrant Name CYPRESS SEMICONDUCTOR CORP /DE/  
Entity Central Index Key 0000791915  
Current Fiscal Year End Date --12-30  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   148,557,309